Hierarchical Bayesian Modelling for Wireless Cellular Networks
Authors: 
Deniz Üstebay, Jie ChuaiAuthors Info & Claims
Deniz Üstebay, Jie ChuaiAuthors Info & ClaimsPages 76 - 82
Abstract
With the recent advances in wireless technologies, base stations are becoming more sophisticated. Network operators are also able to collect more data to improve network performance and user experience. In this paper we concentrate on modeling performance of wireless cells using hierarchical Bayesian modeling framework. This framework provides a principled way to navigate the space between the option of creating one model to represent all cells in a network and the option of creating separate models at each cell. The former option ignores the variations between cells (complete pooling) whereas the latter is overly noisy and ignores the common patterns in cells (no pooling). Hierarchical Bayesian modeling strikes a trade-off between these two extreme cases and enables us to do partial pooling of the data from all cells. This is done by estimating a parametric population distribution and assuming that each cell is a sample from this distribution. Because this model is fully Bayesian, it provides uncertainty intervals around each estimated parameter which can be used by network operators making network management decisions. We examine the performance of this method on a synthetic dataset and a real dataset collected from a cellular network.
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Published In
August 2019
96 pages
ISBN:9781450368728
DOI:10.1145/3341216
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Published: 14 August 2019
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